Traction wheel



boxes 2 and 3 fixed to the ends.

tit

lt atented den, T9235. '1 I TRACTION WHEEL.

, Application filed July 12, 1921. Serial No. 484,119.

To all whom it may concern:

Be it known that I, Annrnw J. Hanna-n, a citizen of the United States, and a resident oi West Watcrtown, in the county oi Codington and State of South Dakota, have invented a new and improved Traction Wheel, of which the following is a full, clear, and exact description.

This invention relates to an improved traction wheel for use with traction engines or the like.

Prior to this invention traction wheels of open construction when used in soft ground became clogged and gave considerable trouhle during operation. another disadvantage was that they did not have a circular hearing surface and consequently did not ride smoothly on hard ground.

The object of this invention is to provide an improved form of traction wheel of open construction that will not become clogged when used in soft ground and which has a circular bearing surface that makes the machine ride smoothly on hard ground.

The construction of this traction wheel and its advantages will he more clearly understood. from the following detailed description and reference to the accompanying drawings.

Figure l. is an elevation of the improved traction 'wheelgand Figure 52 an end view of the traction wheel.

Referring to the above-mentioned drawings, a hub 1, which is the shape of two conic frustums butted together, has axle The hub is made of this shape so that when the wheel is used in soft grmind and the soil is pressed through the open wheel construction and. into contact with th hub it is gradually forced along the hub to either end due to the weight of the machine used in conjunction "with the wheel. A shaft l projects through the axle boxes 2 and 3 and is fixed thereto.

Radiating from the ends of the hub are Mounted onthe spokes and flange 6 are V- shaped rims 7, 8 and 9. The apexot the rims 7, 8 and 9 face outward so that the rims do not hold the soil. Slots 10 are provided in the rims 7, 8 and 9. Mounted in these slots are angle bars 11. These angle bars are diagonally mounted. with respect to the rims and have their inner ends leading. The legs '13 of the angle bars 11 extend radially outward while the legs 12 extend. approximately at right angles to the legs 13. The leg 12 lies in front of the leg 13 so as to strengthen the latter to withstand the force applied. These bars 11 are also slightly curved so as to give a smooth hearing surface when the machine is used on hard ground.

Modifications of this wheel construction may he made. Narrow wheels of this construction may he built where two wheels are used for traction instead of the single wheel described above.

Having thus described my invention, I claim new and desire to secure by Letters Patent:

1. As a new article of manufacture, a traction wheel of the class described, comprising openwork tread means, means for suppOllllIlg said tread means, and a hub the shape of two conic i rusturns butted together, :for forcing the soil passing through the tread means through the ends of the wheel, enclosed by said tread means and supporting means.

2. As a new article of manufacture, atraction. wheel of the class described,comprising a hub the shape of two conic frustuins hutted together, an axle hox fixed to each end of the huh. and a wheel Frame carrying traction cleats supported on said axle boxes and hub.

As new article of manufacture, a traction wheel of the class described, comprising a'huh, an axle box attached to each end of the hub, tread supporting means in conjunction with the axle boxes and-huh, and tread means including a plurality of spaced angle-- shaped traction cleats diagonally positioned and mounted on the tread supporting means.

4. As a. new article of manufacture, atraction wheel. of the class described, comprising an open framework for carrying spaced traction cleats, a hub the shape of two conic frustums hutted together positioned between two axle boxes wh ch are tired thereto, and

supporting means jn conjunction with the axle boxes and-huh rm.- supporting the openwork frame.

5. As a new article of manufacture, atraction wheel oif'tllueiclass"described-,rcomprisinj a hub so shaped that it forces soil coming in contact therewith towards its ends,- air axle box fixed to each end of the hub, and an openwork frame having spaced cleats mounted thereon. carried by said axle boxes and hub.

(3. As a new article of m a on feature, a tun-,- tion Wheel of the class described, comprising an axle, a hub having an axle hox fixed to each end attached to the axle, tread supporting lUGHDSlll conjunction with the hub and axle boxes, and traction cleats (liagonall) n'lountmlon the supporting means with their inner ends leading, said traction cleats heing curved seas to give the wheel. a continuous circular bearing surface.

ANDREW JOHN H A RDE R. 

